﻿package com.tangrong.filesystem;

public class TestObserver {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		File file = new FileLeaf("file1");
		file.addLink(new Link(file,"link1"));
		file.addLink(new Link(file,"link2"));
		
		file.doSomething();

	}

}
